Senior Full-Stack Java Engineer — Impact Africa Solutions

Unifi Africa; Stellenbosch; On-site; ZAR 900,000 - 1,200,000; Full time

Job summary

Unifi Africa is seeking a Full Stack Java Developer to design, build and maintain scalable software powering our credit products across Africa. Based in Stellenbosch, you’ll collaborate with a cross-functional team to deliver reliable solutions, tackle real business problems, and continuously improve our engineering practices.

You will work with Groovy/Java/Kotlin, Micronaut and Spring Boot, with MySQL, Hibernate and Vaadin in a modern stack, and apply AI-assisted tools to boost productivity

Qualifications

• 8+ years of experience building software applications.
• Strong Java or JVM language experience.
• Solid SQL and relational database knowledge.
• Ability to work independently and with teams.
• Curious, adaptable and proactive problem solving.
• Passionate about Africa and building impactful products.

Responsibilities

• Design, build and maintain reliable software that scales with Unifi as we grow
• Build systems that are simple, secure and easy to maintain by writing clean code and choosing practical solutions over unnecessary complexity
• Build observability into Unifi systems through logging, monitoring and tracing so issues can be identified and resolved quickly
• Take ownership of changes from technical design through development, testing, QA handover and into production, helping deliver value to our clients and frontline teams as quickly as possible
• Use AI tools such as Gemini and Claude Code responsibly to improve productivity while maintaining full ownership of every technical decision and every line of code you commit
• Work closely with developers, product teams and stakeholders to solve problems, improve our products and deliver great outcomes
• Contribute to the continuous improvement of our engineering practices, development processes and software architecture
• Share knowledge, support your teammates and help build a collaborative, high-performing culture
• Question the way something has always been built. If there is a simpler or faster way to do it, raise it and make the case

Skills

Java/JVM

SQL & Relational databases

Problem solving

Team collaboration

Ownership & accountability

Education

Bachelor or higher in CS/IT/Engineering

Tools

Java ecosystem (Groovy, Kotlin, Micronaut)

MySQL

Hibernate

Vaadin

Apache ActiveMQ Artemis

MongoDB

Jira

Slack

Job description

Unifi Africa is seeking a Full Stack Java Developer to design, build and maintain scalable software powering our credit products across Africa. Based in Stellenbosch, you’ll collaborate with a cross-functional team to deliver reliable solutions, tackle real business problems, and continuously improve our engineering practices.

You will work with Groovy/Java/Kotlin, Micronaut and Spring Boot, with MySQL, Hibernate and Vaadin in a modern stack, and apply AI-assisted tools to boost productivity